Applications

LOCTITE® UK U-09LV – Urethane Adhesive – Clear flexible bonding of plastics, glass, metal, requiring high peel strength

  • Item Name: LOCTITE® UK U-09LV (Hysol® U-09LV)

  • Manufacturer: Henkel

  • Technologies: Two-component urethane adhesive

  • Color: Resin – Clear liquid; Hardener – Clear liquid; Mixture – Ultra clear

  • Cure Type: Room temperature cure (heat accelerates)

  • Package Size: Contact to Techniq VN for details.

  • Shelf Life: Contact to Techniq VN for details.

1. Product Overview

LOCTITE® UK U-09LV (also known as Hysol® U-09LV) is a two-component, low-viscosity urethane adhesive. Once mixed, it cures at room temperature to form an ultra-clear, flexible bond line with exceptional peel strength. The adhesive is designed for applications that demand optical clarity, flexibility, and non-yellowing performance over time. Its cured form exhibits good tensile strength, elongation, dielectric properties, and reliable adhesion across diverse substrates, including plastics, glass, metals, and composites.


2. Applications

  • Bonding of polycarbonate, plastics, glass, and metals

  • Ideal for clear, non-yellowing adhesive joints

  • Suited for applications requiring high flexibility and peel resistance

  • Used in structural and industrial assemblies where transparency and durability are critical

3. Typical Properties

Property Resin Hardener Mixture Notes
Uncured
Chemical Type Polyisocyanate Polyol
Appearance Clear liquid Clear liquid Ultra clear
Specific Gravity @ 25°C 1.1 (1.0–1.2) 1.00 (0.95–1.15) 1.0–1.2
Viscosity @ 25°C (mPa·s) 920 1,050 (600–2,000) Low viscosity
Mix Ratio 100:91 (by weight) / 1:1 (by volume)
Working Life 10 minutes @ 25°C
Tack Free Time 3–24 hours
Cured Material
Dielectric Strength 986 V/mil STM 733
Tensile Strength 2,752 psi STM 708
Elongation 149% Flexible bond line
Hardness Shore D 47 STM 707
Glass Transition Temperature -3 °C STM 767
CTE (pre Tg / post Tg) 101 / 213 ppm STM 767
Shear Strength (Steel, Al, etc.) 3.3–8 N/mm² Substrate dependent
Block Shear Up to 18 N/mm² (Epoxy) STM 726

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